393206620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 894845952

約数和(自身を除く): 501639332

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 103, 115, 172, 193, 206, 215, 230, 386, 412, 430, 460, 515, 772, 860, 965, 989, 1030, 1930, 1978, 2060, 2369, 3860, 3956, 4429, 4439, 4738, 4945, 8299, 8858, 8878, 9476, 9890, 11845, 16598, 17716, 17756, 19780, 19879, 22145, 22195, 23690, 33196, 39758, 41495, 44290, 44390, 47380, 79516, 82990, 88580, 88780, 99395, 101867, 165980, 190877, 198790, 203734, 381754, 397580, 407468, 457217, 509335, 763508, 854797, 914434, 954385, 1018670, 1709594, 1828868, 1908770, 2037340, 2286085, 3419188, 3817540, 4273985, 4572170, 8547970, 9144340, 17095940, 19660331, 39320662, 78641324, 98301655, 196603310, 393206620]

約数ペア:

[(1, 393206620), (2, 196603310), (4, 98301655), (5, 78641324), (10, 39320662), (20, 19660331), (23, 17095940), (43, 9144340), (46, 8547970), (86, 4572170), (92, 4273985), (103, 3817540), (115, 3419188), (172, 2286085), (193, 2037340), (206, 1908770), (215, 1828868), (230, 1709594), (386, 1018670), (412, 954385), (430, 914434), (460, 854797), (515, 763508), (772, 509335), (860, 457217), (965, 407468), (989, 397580), (1030, 381754), (1930, 203734), (1978, 198790), (2060, 190877), (2369, 165980), (3860, 101867), (3956, 99395), (4429, 88780), (4439, 88580), (4738, 82990), (4945, 79516), (8299, 47380), (8858, 44390), (8878, 44290), (9476, 41495), (9890, 39758), (11845, 33196), (16598, 23690), (17716, 22195), (17756, 22145), (19780, 19879)]